One horsepower is equal to how many foot pounds of work per second

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Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?